2025
Network-based modeling of emotional expressions for multiple cancers via a linguistic analysis of an online health community
Fan X, Liu M, Ma S. Network-based modeling of emotional expressions for multiple cancers via a linguistic analysis of an online health community. The Annals Of Applied Statistics 2025, 19: 2218-2236. DOI: 10.1214/25-aoas2047.Peer-Reviewed Original ResearchOnline health communitiesNetwork-based modelModel of emotional expressionsLow-rank matrixAmerican Cancer Society Cancer Survivors NetworkHealth communityFear of judgmentSemantic networkNetwork analysis techniquesComputational propertiesSurvivors NetworkSimulation resultsNetworkAdverse emotionsLinguistic analysisCluster structureSingle diseaseCancer patientsPenalization approachCancer typesEmotional expressionCancerAnalysis techniquesComputerData analysis
2022
Network-adaptive robust penalized estimation of time-varying coefficient models with longitudinal data
Fang K, Fan X, Ma S, Zhang Q. Network-adaptive robust penalized estimation of time-varying coefficient models with longitudinal data. Journal Of Statistical Computation And Simulation 2022, 92: 3045-3065. DOI: 10.1080/00949655.2022.2055758.Peer-Reviewed Original ResearchTime-varying coefficient modelsLikelihood-based estimationPenalization approachCoefficient modelStatistical modelPractical problemsNovel penaltyConsistency propertiesPractical performanceLoss functionNumerical studyLongitudinal dataEstimationNetwork structureNetwork connectivityConnection measuresModelData analysisRobustnessSimulationsInterconnectionProblemCovariatesField
2021
Conditional score matching for high-dimensional partial graphical models
Fan X, Zhang Q, Ma S, Fang K. Conditional score matching for high-dimensional partial graphical models. Computational Statistics & Data Analysis 2021, 153: 107066. DOI: 10.1016/j.csda.2020.107066.Peer-Reviewed Original ResearchConditional scoreComputational complexityMore general distributionsEffective computational algorithmGraphical modelsStatistical propertiesHigh computational costPartial graphsComputational algorithmComputational costNormalization constantsBreast cancer gene expression datasetsGeneral distributionNetwork constructionCancer gene expression datasetsMultiplicative normalizationMultivariate data analysisGene expression datasetsCompetitive performanceComplexityGraphData analysisModelConstruction approachExpression datasets
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